PFAS in Pesticides Problem Ensnares States, Small Businesses

April 30, 2021, 7:15 PM

A decision by Maryland to switch mosquito sprays due to “forever chemicals” reveals choices that states and companies are quickly making as they and the EPA tackle a quandary: PFAS in pesticides.

Maryland’s Department of Agriculture is pausing plans to use Bayer CropScience LP’s Permanone 30-30 in its truck and plane spraying program, department spokesman Jason D. Schellhardt said Thursday. It will substitute Clarke’s Biomist 30+30 as it awaits guidance from the Environmental Protection Agency, he said.

The EPA is investigating a discovery last month by the the advocacy group Public Employees for Environmental Responsibility. The group, known as PEER, ...

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